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*019  $bl
*035  $a(EXLNZ-47BIBSYS_NETWORK)990210246934702201
*035  $a(NO-LaBS)14056803(bibid)
*035  $a(NO-TrBIB)021024693
*035  $a021024693-47bibsys_network
*040  $aNO-TrBIB$bnob$ekatreg
*24500$aVouchers for private schooling in Columbia :$bevidence from a randomized natural experiment$cJoshua D. Angrist ... [et al.]
*260  $aCambridge, Mass.$bNBER$c2001
*300  $a30, [11] s.
*4901 $aNBER working paper series$v8343
*7001 $aAngrist, Joshua D.$_32538000
*7102 $aNational Bureau of Economic Research (Forente Stater)$_13074800
*830 0$aWorking paper series (National Bureau of Economic Research : trykt utg.)$x0898-2937$v8343$w999105437124702201$_13074900
*901  $a60
*999  $aoai:nb.bibsys.no:990210246934702202$b2021-11-14T20:31:16Z$z990210246934702202
^